Examine source code of Evening Pond

{
  "theme": {
    "images": {
      "theme_frame": "EveningPondHCustom.jpg"
    },
    "colors": {
      "frame": "#2249d6",
      "tab_background_text": "#ffffff"
    }
  },
  "version": "2.0",
  "name": "Evening Pond",
  "manifest_version": 2,
  "description": "blue, lake, lily pads, moonlight, night, pond, water, water lilies My wallpaper to match is at: <a href=\"https://outgoing.prod.mozaws.net/v1/1fe6f3f4fd2c29bdea05be3d5a3d0195aa24eb6c82cc94a3d3b29c15e4f077ee/http%3A//nature.desktopnexus.com/wallpaper/930694/\" rel=\"nofollow\">http://nature.desktopnexus.com/wallpaper/930694/</a>"
}